MMIC Tunable Transversal Bandpass Active Filter at 9­12 GHz Roberto G´ mez­Garc´a1 , C´ sar Briso­Rodr´guez2 , Mustapha Mahfoudi3 and Jos´ I. Alonso1 o i e i e Departamento de Se~ ales, Sistemas y Radiocomunicaciones, ETSI Telecomunicaci´ n, Universidad Polit´ cnica de Madrid, n o e C/ Ciudad Universitaria s/n, 28040 Madrid, Spain. Tel: 91­3367358, E-Mail:roberto-gmr.ssr.upm.es. 2 Departamento de

An Approach to Determine Rbx and Rc for InP HBT Using Cutoff Mode Measurement Jianjun Gao1, Xiuping Li2, Hong Yang2, Hong Wang2, Georg Boeck1 1 Berlin University of Technology, Institute for high-frequency and semiconductor system technologies, Einsteinufer 25,10587 Berlin, Germany, 49-30-314-21034 2 Nanyang Technological University, School of EEE, Singapore, 639798 Abstract -- A new method to e

A 4-bit 7.5 GHz A/D Converter Petros Tsenes, Nikolaos Uzunoglu National Technical University of Athens School of Electrical and Computer Engineering 9 Heroon Polytechneiou Str., 157 73 Zografou, Athens, Greece, tel:++30 210 7722289 Abstract -- Based on a conventional flash architecture a 4-bit GaAs analog to digital (A/D) converter has been designed using OMMIC-Philips GaAs foundry and particularl

Low noise optical receivers Z. Bielecki 1, W. Kolosowski 1, R. Dufrene 2, M. Borejko 3 1 Military University of Technology, 2 Kaliskiego Str. 00-908 Warszaw, Poland, phone (+48 22) 683-97-89 2 R. Dufrene. Telecommunications Research Institute. Warsaw, Poland 3 M. Borejko. Scientific Industrial Centre of Professional Electronics RADWAR, Warsaw, Poland Abstract ­ the paper describes low noise firs

A Dual-Band MMIC Low frequency 180° Hybrid M.De Dominicis, F.Giannini, L.Scucchia University of Roma "Tor Vergata", Dpt. of Electronic Engineering, via del Politecnico 1, 00133 Roma, Italy, tel:+39 06 7259 7345, fax:+39 06 7259 7353, e-mail:scucchia-uniroma2.it Abstract In this paper design formulas, for the development of an unusual 180° hybrid working in two distinct frequency bands, are provide

Pt/GaAs side wall Schottky diode Petr Machá 1, Martin Zilka1, Zden k Výborný2 Institute of Chemical Technology, Department of Solid State Engineering, Technická 5, 166 28 Prague 6, Czech Republic, +420224355157 2 Academy of Sciences, Institute of Physics, Cukrovarnická 10, 162 53 Prague 6, Czech Republic, +420220318413 Abstract -- This contribution deals with the technological realization of a spe

Measurement-based models of a 40 Gb/s modulator and its electrical driver for joint transmitter design Sebastian Hoffmann1, Andreas Thiede1, Pasquale Tommasino2, Alessandro Trifiletti2, Antonello Vannucci3 Dept. of High-Frequency Electronics, University of Paderborn, Warburger Str. 100, 33098, Paderborn, Germany, +495251603040. 2 Dept. of Electronic Engineering, University of Rome "La Sapienza", V

A New Active Predistortion Linearizer Suitable for MMIC Power Amplifier Roberto Iommi1, Giuseppe Macchiarella1, Andrea Meazza2, Maurizio Pagani2 1 Politecnico di Milano, Dipartimento di Elettronica e Informazione (PoliEri Lab), Piazza Leonardo da Vinci, 32 20133 Milano, ITALY, e-mail: macchiar-elet.polimi.it 2 Ericsson Lab Italy, Via Cadorna 73, 20090 Vimodrone (Mi), ITALY Abstract -- A new predi

Optical Control of a GaAs Chip MMIC Amplifier at S Band J.M. Zamanillo 1, J. Portilla 2, C. Navarro 1, C.Pérez-Vega 1and A. Mediavilla 1 University of Cantabria, Communications Engineering Department (DICOM), Av. de los Castros s/n. 39005, Santander, Spain, Phone +34-942-200887 2 University of Pais Vasco / EHU, Electricity and Electronic Department, Apdo 644. 48080, .Bilbao, Spain, Phone +34-94-60

Design of Photonic Crystals Devices with Defects Agostino Giorgio, Anna Gina Perri Laboratorio di Dispositivi Elettronici, Dipartimento di Elettrotecnica ed Elettronica, Politecnico di Bari, Via E. Orabona 4, 70125, Bari, Italy Phone: +39 - 80 - 5963314/5963427 Fax: +39 - 80- 5963410 E-mail: perri-poliba.it Abstract - A powerful and efficient method based on the leaky mode propagation method and